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Endoscopy 2012; 44(06): 633
DOI: 10.1055/s-0032-1309387
Letters to the editor
© Georg Thieme Verlag KG Stuttgart · New York

Reply to Mannath & Ragunath

F. G. I. van Vilsteren
,
E. J. Schoon
,
J. J. G. H. M. Bergman